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Old Oct 13, 2007 | 04:08 PM
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weird noise

i ahve a small question i own a 2000 super duty cc 4x4 great truck v10 i keep hearing about the plugs and there noise but mine under a load on a hill seems to have a noise that sounds like an exhaust leak but some on hear also say it could be plug blow by it seems to make the noise at about 2000-2500 maybe 3000 rpms on a hill but then seems to go away it does not have any noise to speak of at idle or when reved up when parked any help please
 
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Old Oct 13, 2007 | 04:57 PM
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I would get the plugs checked out to be sure.

The noise could also be the little flimsy inspection cover on the front of the transmission. To rule it out I would remove the two bolts holding it on and take it for a drive to see if the sound went away.
 
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Old Oct 13, 2007 | 08:28 PM
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Check your exhaust manifold bolts. They may be broken off and causing some leakage.
 
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Old Oct 13, 2007 | 09:22 PM
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one exhaust stud is broke but no signs of any leaks as far as the usual black looking soot on the engine
 
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Old Oct 14, 2007 | 10:17 AM
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If one is broke then more will be soon to follow. You may not see any soot or exhaust blow by but it will be leaking.
 
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Old Oct 14, 2007 | 11:41 AM
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what is the normal going price to fix this problem per stud
 
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Old Oct 14, 2007 | 01:39 PM
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Originally Posted by 900rr
what is the normal going price to fix this problem per stud
I forgot to mention the broken studs.

Price all depends on the shop and how easily the old studs come out. You should really get all studs replaced, more will break eventually.
 
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Old Oct 14, 2007 | 09:00 PM
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Originally Posted by dkf
I forgot to mention the broken studs.

Price all depends on the shop and how easily the old studs come out. You should really get all studs replaced, more will break eventually.
Quote from my Ford dealer. $1,050 for all 20 replaced. I don't actually consider this too bad of a price. The job is very labor intensive.
 
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Old Oct 14, 2007 | 09:00 PM
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Make sure they put in stainless steel replacement studs. This is where your valve noise is coming from too. You are posting the same question basically in 2 different posts.
 
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Old Oct 15, 2007 | 07:37 AM
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Originally Posted by rlh68050
Quote from my Ford dealer. $1,050 for all 20 replaced. I don't actually consider this too bad of a price. The job is very labor intensive.
My dad got all the studs removed (2 drilled out with helicoil installed) new studs, new gaskets for under $600. Of course this was at a local garage with a labor rate far less than what the stealership charges. For the stealership prices that doesn't sound out of line.

5 studs were broken between the two manifolds on my dads and there was no noises coming from a leak at the manifolds.

The factory studs are stainless as well, however corrosion isn't what causes them to break. The studs are usually sheared off at the base of the threads.
 
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Old Jun 6, 2008 | 09:55 AM
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Hey 900...did you get it fixed?? Mine is doing the exact same thing. I replaced the broken studs. It helped, but it still seems to make that noise just like you are talking about. I havnt checked out the inspection plate deal yet. Thanks!
 
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Old Jun 10, 2008 | 03:01 PM
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Definitely check the plate before going any further
 
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